OA04625A - Dispositif didactique. - Google Patents
Dispositif didactique.Info
- Publication number
- OA04625A OA04625A OA55154A OA55154A OA04625A OA 04625 A OA04625 A OA 04625A OA 55154 A OA55154 A OA 55154A OA 55154 A OA55154 A OA 55154A OA 04625 A OA04625 A OA 04625A
- Authority
- OA
- OAPI
- Prior art keywords
- didactic device
- didactic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/16—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH443373A CH572254A5 (it) | 1973-03-27 | 1973-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
OA04625A true OA04625A (fr) | 1980-07-31 |
Family
ID=4276039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA55154A OA04625A (fr) | 1973-03-27 | 1974-03-22 | Dispositif didactique. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3918173A (it) |
JP (1) | JPS5036228A (it) |
BE (1) | BE811035A (it) |
CH (1) | CH572254A5 (it) |
DE (1) | DE2407127A1 (it) |
FR (1) | FR2224055A5 (it) |
GB (1) | GB1460079A (it) |
IT (1) | IT1009294B (it) |
OA (1) | OA04625A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197661A (en) * | 1976-03-09 | 1980-04-15 | B & H Commercial Inventors & Designers Limited | Educational toys |
CA1058400A (en) * | 1977-05-12 | 1979-07-17 | Chris Schramm | Educational teaching aid |
US6971880B1 (en) * | 2002-02-08 | 2005-12-06 | Mark Setteducati | Deformable drawing tablet |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US637964A (en) * | 1899-06-12 | 1899-11-28 | John P Johnsen | Abacus. |
US805365A (en) * | 1904-09-19 | 1905-11-21 | Gustav Knappe | Calculating-machine. |
US845798A (en) * | 1906-12-24 | 1907-03-05 | Anton A Lehr | Game apparatus. |
US1525342A (en) * | 1922-10-07 | 1925-02-03 | Telu Kod Company | Instruction device |
US2894337A (en) * | 1958-08-11 | 1959-07-14 | Charlie C Rawlings Sr | Slide rule type of educational device |
US3248809A (en) * | 1963-08-13 | 1966-05-03 | Jr Vincent A Stifano | Educational and amusement device |
US3707045A (en) * | 1970-03-03 | 1972-12-26 | Patrick H O Hare | Teaching device |
-
1973
- 1973-03-27 CH CH443373A patent/CH572254A5/xx not_active IP Right Cessation
- 1973-05-22 FR FR7318529A patent/FR2224055A5/fr not_active Expired
-
1974
- 1974-01-28 GB GB388374A patent/GB1460079A/en not_active Expired
- 1974-02-11 US US441280A patent/US3918173A/en not_active Expired - Lifetime
- 1974-02-14 BE BE140912A patent/BE811035A/xx unknown
- 1974-02-15 DE DE19742407127 patent/DE2407127A1/de active Pending
- 1974-03-13 IT IT67746/74A patent/IT1009294B/it active
- 1974-03-20 JP JP49031074A patent/JPS5036228A/ja active Pending
- 1974-03-22 OA OA55154A patent/OA04625A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT1009294B (it) | 1976-12-10 |
CH572254A5 (it) | 1976-01-30 |
US3918173A (en) | 1975-11-11 |
GB1460079A (en) | 1976-12-31 |
FR2224055A5 (it) | 1974-10-25 |
BE811035A (fr) | 1974-05-29 |
DE2407127A1 (de) | 1974-10-03 |
JPS5036228A (it) | 1975-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL171121C (nl) | Anti-conceptie inrichting. | |
NL7415694A (nl) | Halfgeleiderinrichting. | |
NL181306C (nl) | Elektro-optische inrichting. | |
NL7311600A (nl) | Ladingsgekoppelde inrichting. | |
NL7414677A (nl) | Halfgeleiderinrichting. | |
NL7416280A (nl) | Electro-optische inrichting. | |
NL183110C (nl) | Weergave-inrichting. | |
NL7414319A (nl) | Valse-twijn-inrichting. | |
NL7415531A (nl) | Halfgeleiderinrichting. | |
NL7415030A (nl) | Halfgeleiderinrichting. | |
NL160947C (nl) | Weergeefinrichting. | |
NL166975C (nl) | Lichtemitterend apparaat. | |
NL7415073A (nl) | Halfgeleiderinrichting. | |
NL152380B (nl) | Weergeefinrichting. | |
NL7414377A (nl) | Halfgeleiderinrichting. | |
NL7412866A (nl) | Halfgeleiderinrichting. | |
NL7314466A (nl) | Halfgeleiderinrichting. | |
NL7409367A (nl) | Electro-optische inrichting. | |
OA04625A (fr) | Dispositif didactique. | |
BE810068A (fr) | Dispositif de raccordement | |
NL175899C (nl) | Strook-opwindinrichting. | |
BE811915A (fr) | Dispositif | |
NL7414517A (nl) | Rekregistratietoestel. | |
NL7413526A (nl) | Weergeefinrichting. | |
NL7409061A (nl) | Weergeefinrichting. |